[go: up one dir, main page]

JP2015199972A - Metal powder processing equipment - Google Patents

Metal powder processing equipment Download PDF

Info

Publication number
JP2015199972A
JP2015199972A JP2014077654A JP2014077654A JP2015199972A JP 2015199972 A JP2015199972 A JP 2015199972A JP 2014077654 A JP2014077654 A JP 2014077654A JP 2014077654 A JP2014077654 A JP 2014077654A JP 2015199972 A JP2015199972 A JP 2015199972A
Authority
JP
Japan
Prior art keywords
cutting
powder
cutting tool
air flow
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2014077654A
Other languages
Japanese (ja)
Other versions
JP5870144B2 (en
Inventor
浩一 天谷
Koichi Amaya
浩一 天谷
敏彦 加藤
Toshihiko Kato
敏彦 加藤
英人 松原
Hideto Matsubara
英人 松原
光慶 吉田
Mitsuyoshi Yoshida
光慶 吉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Matsuura Kikai Seisakusho KK
Original Assignee
Matsuura Kikai Seisakusho KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsuura Kikai Seisakusho KK filed Critical Matsuura Kikai Seisakusho KK
Priority to JP2014077654A priority Critical patent/JP5870144B2/en
Priority to KR1020140113304A priority patent/KR101950537B1/en
Priority to EP14183130.5A priority patent/EP2926924A1/en
Priority to CA2863936A priority patent/CA2863936C/en
Priority to US14/536,610 priority patent/US10596654B2/en
Priority to CN201510016530.XA priority patent/CN104972117B/en
Publication of JP2015199972A publication Critical patent/JP2015199972A/en
Application granted granted Critical
Publication of JP5870144B2 publication Critical patent/JP5870144B2/en
Priority to HK16104148.5A priority patent/HK1216164B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/005—Devices for removing chips by blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/68—Cleaning or washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0046—Welding
    • B23K15/0086—Welding welding for purposes other than joining, e.g. built-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Powder Metallurgy (AREA)
  • Laser Beam Processing (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a metal powder processing apparatus which can prevent unformed powder remaining during melting by performing irradiation with a laser beam or an electron beam and cutting powder produced in cutting formation from exerting adverse effects on a cutting tool.SOLUTION: A metal powder processing apparatus laminates metal powder, in order, on a table in a chamber, melts by performing irradiation with a laser beam or an electron beam and then forms with a cutting tool, and unformed powder 6 remaining during melting and cutting powder 6 produced in cutting can be scattered by generating an air flow 5 from the side of the main shaft or a tool holder 2 with respect to the cutting tool 3, leading to extention of the life of the cutting tool 3 and improvement of the quality of cutting-processed surfaces.

Description

本発明は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置に関するものである。   The present invention relates to a metal powder processing apparatus in which metal powders are sequentially laminated on a table in a chamber, and are melted by irradiation with a laser beam or an electron beam, and are formed by a cutting tool subsequent to the melting.

上記照射による溶融段階には、未造形粉末が造形物付近に残存し、かつ上記切削加工段階には、当該切削によって発生する粉末状の切削屑が造形物付近に残存する。   In the melting stage by the irradiation, unshaped powder remains in the vicinity of the modeled object, and in the cutting process, powdered cutting waste generated by the cutting remains in the vicinity of the modeled object.

未造形粉末及び切削粉末が残存した状態にて切削加工を継続した場合には、切削工具の刃先に未造形粉末及び切削粉末が残存することによって、切削工具の寿命が極端に短縮するだけでなく、切削工具の損傷が生ずる場合さえ発生している。   If cutting is continued with the unshaped powder and cutting powder remaining, not only will the unshaped powder and cutting powder remain on the cutting edge of the cutting tool, but the life of the cutting tool will be shortened extremely. Even when cutting tool damage occurs.

のみならず、未造形粉末及び切削粉末を巻き込んだ状態による切削加工の場合には、切削加工面に影響を及ぼし、円滑な表面を得られないことを原因として、加工面の品質も劣化することさえ生じていた。   In addition, in the case of cutting with a state in which unshaped powder and cutting powder are involved, the cutting surface will be affected, and the quality of the processing surface will deteriorate due to the inability to obtain a smooth surface. Even it was happening.

このような状況に対処するため、特許文献１においては、切削加工用の工具とは別に、未造形粉末及び切削粉末除去用の工具をも作動させることによって、未造形粉末及び切削粉末の除去を行っている。   In order to cope with such a situation, in Patent Document 1, in addition to the cutting tool, the removal of the unshaped powder and the cutting powder is performed by operating the tool for removing the unshaped powder and the cutting powder. Is going.

しかしながら、このような方法では、別途未造形粉末及び切削粉末除去用の工具の設置を必要とする点において、装置の構成、更には駆動制御が複雑化することを避けることができないだけでなく、加工工程の複雑化をも招くことになる。   However, in such a method, it is not only possible to avoid the complexity of the configuration of the apparatus and further the drive control in that it requires the installation of a tool for removing unshaped powder and cutting powder separately, This also complicates the machining process.

特許文献２においては、未造形粉末及び切削粉末（切削屑）を空気流の吸引によって、未造形粉末及び切削粉末をパイプ１７６３を介して移動させ、吸引装置１７６４側に移動させる構成を開示している。   Patent Document 2 discloses a configuration in which an unshaped powder and a cutting powder (cutting waste) are moved through a pipe 1763 and moved toward the suction device 1764 by suction of an air flow. Yes.

しかしながら、上記構成の場合には、上記溶融時に残存した未造形粉末及び上記切削に伴って発生した切削粉末の事後処理として、空気流を採用しているに過ぎず、切削工具の刃先に残存する未造形粉末及び切削粉末を飛散させる構成まで開示している訳ではない。   However, in the case of the above configuration, as an after-treatment of the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting, only an air flow is employed and it remains at the cutting edge of the cutting tool. It does not necessarily disclose a configuration in which the unshaped powder and the cutting powder are scattered.

現に、特許文献２においては、切削工具の刃先における未造形粉末及び切削粉末の残存による弊害について、全く論じていない。   In fact, Patent Document 2 does not discuss any adverse effects caused by the remaining of the unshaped powder and the cutting powder at the cutting edge of the cutting tool.

このような特許文献１及び同２に開示されている公知技術からも明らかなように、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を切削工具の刃先から飛散させる構成は、これまで提唱されていない。   As is clear from the known techniques disclosed in Patent Documents 1 and 2 above, the unshaped powder remaining at the time of melting and the cutting powder generated by the cutting are scattered from the cutting edge of the cutting tool. Has not been proposed so far.

特開２０１０−２８０１７３号公報JP 2010-280173 A 特開平１１−２７７３６１号公報Japanese Patent Laid-Open No. 11-277361

本発明は、レーザービーム又は電子線の照射による溶融時に残存した未造形粉末及び切削成形時に発生した切削粉末が切削工具に悪影響を及ぼすこと防止し得る金属粉末加工装置の構成を提供することを課題としている。   It is an object of the present invention to provide a metal powder processing apparatus that can prevent unshaped powder remaining upon melting by laser beam or electron beam irradiation and cutting powder generated during cutting forming from adversely affecting the cutting tool. It is said.

前記課題を解決するため、本発明の基本構成は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置において、切削工具に対し主軸又は工具ホルダーの何れかの側から上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置からなる。   In order to solve the above-mentioned problems, the basic configuration of the present invention is that metal powder is sequentially laminated on a table in a chamber, and is melted by irradiation with a laser beam or an electron beam, followed by forming by a cutting tool following the melting. In the apparatus, the metal powder generating an air flow capable of scattering the unshaped powder remaining at the time of melting and the cutting powder generated with the cutting from either side of the spindle or the tool holder with respect to the cutting tool Consists of processing equipment.

前記基本構成に基づく本発明においては、金属粉末加工装置自体によって発生する空気流によって未造形粉末及び切削粉末を切削工具の刃先及びその近傍から飛散させ、ひいては、切削工具の寿命を長期化させると共に、切削加工表面の品質を向上させる一方、切削工具の円滑な回転を確保することによって、加工時間の短縮をも実現することができる。   In the present invention based on the above basic configuration, the air flow generated by the metal powder processing apparatus itself causes the unshaped powder and the cutting powder to scatter from the cutting edge of the cutting tool and the vicinity thereof, thereby extending the life of the cutting tool. While improving the quality of the cutting surface, it is possible to reduce the machining time by ensuring smooth rotation of the cutting tool.

本発明の基本原理を示す側面図である。 尚、実線矢印は、空気流の流動方向を示しており、点線矢印は、未造形粉末及び切削粉末の流動方向を示しており、以下の図面においても同様である。It is a side view which shows the basic principle of this invention. In addition, the solid line arrow has shown the flow direction of the air flow, and the dotted line arrow has shown the flow direction of unshaped powder and cutting powder, and is the same also in the following drawings. 主軸に空気流通過孔を設けた実施形態を示す側断面図である。It is side sectional drawing which shows embodiment which provided the airflow passage hole in the main axis | shaft. 主軸及び工具ホルダーに空気流通過孔を設けた実施形態を示す側断面図である。It is a sectional side view which shows embodiment which provided the airflow passage hole in the main shaft and the tool holder. 主軸、工具ホルダー及び切削工具に空気流通過孔を設けた実施形態を示す側断面図である。It is a sectional side view which shows embodiment which provided the airflow passage hole in the main axis | shaft, the tool holder, and the cutting tool.

尚、切削工具の領域は側面図を示しているが、特に空気流の流動については、他の図面と同様に実線矢印によって示した。
実施例の構成を示す側面図である。 In addition, although the area | region of the cutting tool has shown the side view, especially the flow of the airflow was shown with the solid line arrow like other drawings.
It is a side view which shows the structure of an Example.

本発明は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置を対象としている。   The present invention is directed to a metal powder processing apparatus in which metal powder is sequentially laminated on a table in a chamber, and melted by irradiation with a laser beam or an electron beam, followed by forming with a cutting tool following the melting.

図１は、本発明の前記基本構成の状態を開示しており、切削工具３の先端側に向けて、工具ホルダー２の側から未造形粉末及び切削粉末６を飛散させるための空気流５を発生させている切削加工の状態を示している。   FIG. 1 discloses a state of the basic configuration of the present invention. An air flow 5 for scattering unshaped powder and cutting powder 6 from the tool holder 2 side toward the tip side of the cutting tool 3 is shown in FIG. The state of the cutting process is shown.

上記空気流５による風圧は、切削工具３の切削作動に際して発生し、かつ切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させることが可能である程度の強さであることを必要不可欠としている。   The wind pressure generated by the air flow 5 is a certain level of strength that can be generated by the cutting operation of the cutting tool 3 and the unshaped powder and the cutting powder 6 flowing in the vicinity of the cutting tool 3 can be scattered. Is essential.

流動している未造形粉末及び切削粉末６を空気流５によって飛散させた場合には、回転状態にある切削工具３の主軸１に未造形粉末及び切削粉末６が残存する確率を激減させることが可能となり、刃先の間の隙間に未造形粉末及び切削粉末６が充満することによる切削工具３の寿命の短縮、更には損傷を防止することが可能となり、更には従来技術の場合のような加工面の品質の劣化を避けることができる。   When the flowing unshaped powder and the cutting powder 6 are scattered by the air flow 5, the probability that the unshaped powder and the cutting powder 6 remain on the spindle 1 of the cutting tool 3 in a rotating state may be drastically reduced. This makes it possible to shorten the life of the cutting tool 3 by filling the gap between the cutting edges with the unshaped powder and the cutting powder 6, and to prevent damage. Further, as in the case of the prior art Degradation of surface quality can be avoided.

前記基本構成における典型的な実施形態においては、空気流５の噴出によって未造形粉末及び切削粉末６を飛散させている。   In a typical embodiment of the basic configuration, the unshaped powder and the cutting powder 6 are scattered by the ejection of the air flow 5.

図２は、主軸１の後端の回転中心の部位と、先端の回転中心から外れた部位との間に空気流通過孔７を設定し、主軸１の先端面において、切削工具３の長手方向側面に向かう空気流５の噴出口７０を設定していることを特徴とする実施形態を示している。   In FIG. 2, an air flow passage hole 7 is set between a rotation center portion of the rear end of the main shaft 1 and a portion deviated from the rotation center of the front end, and the longitudinal direction of the cutting tool 3 is set on the front end surface of the main shaft 1. The embodiment characterized by setting the jet outlet 70 of the airflow 5 which goes to a side surface is shown.

上記実施形態の場合には、主軸１の先端面から切削工具３の長手方向側面に空気流５を噴出することによって、効率的に切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。   In the case of the said embodiment, the unshaped powder and cutting powder which are efficiently flowing in the vicinity of the cutting tool 3 by ejecting the airflow 5 from the front end surface of the main shaft 1 to the longitudinal side surface of the cutting tool 3 6 can be scattered and adhesion to the cutting tool 3 can be prevented.

図２においては、空気流噴出口７０を１箇所設定しているが、当該噴出口７０については、複数箇所に設定することができる。   In FIG. 2, one airflow outlet 70 is set, but the outlet 70 can be set at a plurality of places.

図３は、主軸１の中心軸及び工具ホルダー２の後端から先端に至るまでの中途部位における中心軸に沿って空気流通過孔７を連設したうえで、工具ホルダー２の先端面において、切削工具３との接続部位近傍から、切削工具３の長手方向に向かう空気流５の噴出口７０を設定していることを特徴とする実施形態を示す。   FIG. 3 shows a state in which the air flow passage hole 7 is continuously provided along the central axis of the main shaft 1 and the central part of the tool holder 2 from the rear end to the front end. An embodiment in which a jet port 70 of an air flow 5 in the longitudinal direction of the cutting tool 3 is set from the vicinity of a connection site with the cutting tool 3 is shown.

上記実施形態の場合には、切削工具３の長手方向周壁及びその近傍における噴流状態の空気流５によって、切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。   In the case of the said embodiment, the unshaped powder and cutting powder 6 which are flowing in the vicinity of the cutting tool 3 are scattered by the air flow 5 in the longitudinal direction peripheral wall of the cutting tool 3 and its vicinity, and the cutting tool 3 is scattered. 3 can be prevented.

図４は、主軸１の中心軸、工具ホルダー２、及び切削工具３の長手方向中心軸に沿って空気流通過孔７を連設し、切削工具３の長手方向の中途部位もしくは先端部位における一箇所又は複数箇所の切削工具３の外周部もしくは溝部において、長手方向に対し直交する方向及び／又は斜交する方向に向かう空気流５の噴出口７０を設定していることを特徴としている。   FIG. 4 shows an example in which an air flow passage hole 7 is continuously provided along the central axis of the main shaft 1, the tool holder 2, and the longitudinal central axis of the cutting tool 3. In the outer peripheral part or groove part of the cutting tool 3 of the location or several places, the jet outlet 70 of the airflow 5 which goes to the direction orthogonal to a longitudinal direction and / or the direction which crosses is characterized.

図４の場合には、直交する方向と斜交する方向にそれぞれ向かう噴出口７０を１個設けた場合を示しているが、このような噴出口７０の設定によって、空気流５は切削工具３の長手方向近傍に流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。   In the case of FIG. 4, a case is shown in which one jet port 70 is provided that is directed in a direction that is orthogonal to the direction orthogonal to each other. It is possible to prevent the unshaped powder and cutting powder 6 flowing in the vicinity of the longitudinal direction of the steel from being scattered and to adhere to the cutting tool 3.

以上の実施形態は、何れも空気流５の噴出によって未造形粉末及び切削粉末６を飛散させている。   In the above embodiments, the unshaped powder and the cutting powder 6 are scattered by the ejection of the air flow 5.

しかしながら、前記基本構成は、このような空気流５の噴出という実施形態に限定される訳ではなく、かつこの点は、以下の実施例からも明らかである。   However, the basic configuration is not limited to the embodiment in which the air flow 5 is ejected, and this point is also apparent from the following examples.

実施例においては、図５に示すように、工具ホルダー２の側面周壁に、切削工具３側に空気流５の送風を可能とする１個又は複数個の回転翼２１を設置したことを特徴としている。   In the embodiment, as shown in FIG. 5, one or a plurality of rotary blades 21 that enable air flow 5 to be blown on the cutting tool 3 side are installed on the side wall of the tool holder 2. Yes.

このような実施例の場合には、工具ホルダー２の側面周壁に回転翼（フィン）２１を取り付けるという極めて簡単な構成によって、切削工具３に付着しようとする未造形粉末及び切削粉末６の飛散を可能としている。   In the case of such an embodiment, scattering of the unshaped powder and the cutting powder 6 that is to adhere to the cutting tool 3 is prevented by an extremely simple configuration in which the rotary blades (fins) 21 are attached to the side peripheral wall of the tool holder 2. It is possible.

回転翼（フィン）２１は、図５に示すように、プロペラの場合と同様に、回転方向に沿って傾斜角度を順次大きくする構成を通常採用するが、工具ホルダー２の周壁に沿って複数枚設置することが好ましく、しかも回転方向に対し、回転翼（フィン）２１の平面角度が約４５度である場合に、切削工具３側に対し有効な空気流５の発生が可能であることを観察することができる。   As shown in FIG. 5, the rotor blades (fins) 21 generally employ a configuration in which the inclination angle is sequentially increased along the rotation direction, as in the case of the propeller, but a plurality of rotor blades (fins) 21 are provided along the peripheral wall of the tool holder 2. It is preferably installed, and when the plane angle of the rotary blade (fin) 21 is about 45 degrees with respect to the rotation direction, it is observed that an effective air flow 5 can be generated with respect to the cutting tool 3 side. can do.

本発明は、前記溶融時に残存した未造形粉末及び前記切削に伴って発生する切削粉末を除去することによって、従来技術の問題点を克服しており、切削工具を使用する金属粉末加工装置の全分野において利用することができる。   The present invention overcomes the problems of the prior art by removing the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting, and the entire metal powder processing apparatus using a cutting tool. Can be used in the field.

１ 主軸
２ 工具ホルダー
３ 切削工具
４ 造形対象物
５ 空気流
６ 未造形粉末及び切削粉末
７ 空気流通過孔
７０ 噴出口 DESCRIPTION OF SYMBOLS 1 Main axis | shaft 2 Tool holder 3 Cutting tool 4 Modeling object 5 Air flow 6 Unshaped powder and cutting powder 7 Air flow passage hole 70 Spout

本発明は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置に関するものである。   The present invention relates to a metal powder processing apparatus in which metal powders are sequentially laminated on a table in a chamber, and are melted by irradiation with a laser beam or an electron beam, and are formed by a cutting tool subsequent to the melting.

上記照射による溶融段階には、未造形粉末が造形物付近に残存し、かつ上記切削加工段階には、当該切削によって発生する粉末状の切削屑が造形物付近に残存する。   In the melting stage by the irradiation, unshaped powder remains in the vicinity of the modeled object, and in the cutting process, powdered cutting waste generated by the cutting remains in the vicinity of the modeled object.

未造形粉末及び切削粉末が残存した状態にて切削加工を継続した場合には、切削工具の刃先に未造形粉末及び切削粉末が残存することによって、切削工具の寿命が極端に短縮するだけでなく、切削工具の損傷が生ずる場合さえ発生している。   If cutting is continued with the unshaped powder and cutting powder remaining, not only will the unshaped powder and cutting powder remain on the cutting edge of the cutting tool, but the life of the cutting tool will be shortened extremely. Even when cutting tool damage occurs.

のみならず、未造形粉末及び切削粉末を巻き込んだ状態による切削加工の場合には、切削加工面に影響を及ぼし、円滑な表面を得られないことを原因として、加工面の品質も劣化することさえ生じていた。   In addition, in the case of cutting with a state in which unshaped powder and cutting powder are involved, the cutting surface will be affected, and the quality of the processing surface will deteriorate due to the inability to obtain a smooth surface. Even it was happening.

このような状況に対処するため、特許文献１においては、切削加工用の工具とは別に、未造形粉末及び切削粉末除去用の工具をも作動させることによって、未造形粉末及び切削粉末の除去を行っている。   In order to cope with such a situation, in Patent Document 1, in addition to the cutting tool, the removal of the unshaped powder and the cutting powder is performed by operating the tool for removing the unshaped powder and the cutting powder. Is going.

しかしながら、このような方法では、別途未造形粉末及び切削粉末除去用の工具の設置を必要とする点において、装置の構成、更には駆動制御が複雑化することを避けることができないだけでなく、加工工程の複雑化をも招くことになる。   However, in such a method, it is not only possible to avoid the complexity of the configuration of the apparatus and further the drive control in that it requires the installation of a tool for removing unshaped powder and cutting powder separately, This also complicates the machining process.

特許文献２においては、未造形粉末及び切削粉末（切削屑）を空気流の吸引によって、未造形粉末及び切削粉末をパイプ１７６３を介して移動させ、吸引装置１７６４側に移動させる構成を開示している。   Patent Document 2 discloses a configuration in which an unshaped powder and a cutting powder (cutting waste) are moved through a pipe 1763 and moved toward the suction device 1764 by suction of an air flow. Yes.

しかしながら、上記構成の場合には、上記溶融時に残存した未造形粉末及び上記切削に伴って発生した切削粉末の事後処理として、空気流を採用しているに過ぎず、切削工具の刃先に残存する未造形粉末及び切削粉末を飛散させる構成まで開示している訳ではない。   However, in the case of the above configuration, as an after-treatment of the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting, only an air flow is employed and it remains at the cutting edge of the cutting tool. It does not necessarily disclose a configuration in which the unshaped powder and the cutting powder are scattered.

現に、特許文献２においては、切削工具の刃先における未造形粉末及び切削粉末の残存による弊害について、全く論じていない。   In fact, Patent Document 2 does not discuss any adverse effects caused by the remaining of the unshaped powder and the cutting powder at the cutting edge of the cutting tool.

このような特許文献１及び同２に開示されている公知技術からも明らかなように、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を切削工具の刃先から飛散させる構成は、これまで提唱されていない。   As is clear from the known techniques disclosed in Patent Documents 1 and 2 above, the unshaped powder remaining at the time of melting and the cutting powder generated by the cutting are scattered from the cutting edge of the cutting tool. Has not been proposed so far.

特開２０１０−２８０１７３号公報JP 2010-280173 A 特開平１１−２７７３６１号公報Japanese Patent Laid-Open No. 11-277361

本発明は、レーザービーム又は電子線の照射による溶融時に残存した未造形粉末及び切削成形時に発生した切削粉末が切削工具に悪影響を及ぼすこと防止し得る金属粉末加工装置の構成を提供することを課題としている。   It is an object of the present invention to provide a metal powder processing apparatus that can prevent unshaped powder remaining upon melting by laser beam or electron beam irradiation and cutting powder generated during cutting forming from adversely affecting the cutting tool. It is said.

前記課題を解決するため、本発明の構成は、
（１）チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置であって、切削工具に回転を伝達する主軸の後端の回転中心の部位と、先端の回転中心から外れた部位との間に空気流通過孔を設定し、前記主軸の先端面において、切削工具の長手方向側面に向かい、かつ当該側面に衝突する空気流の噴出口を設定することによって、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置、
（２）チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置であって、切削工具に回転を伝達する主軸の中心軸及び工具ホルダーの後端から先端に至るまでの中途部位における中心軸に沿って空気流通過孔を連設したうえで、工具ホルダーの先端面において、切削工具との接続部位近傍から、切削工具の長手方向側面に沿って流動する空気流の噴出口を設定することによって、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置、
（３）チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置であって、切削工具に回転を伝達する主軸の中心軸、工具ホルダー、及び切削工具の長手方向中心軸に沿って空気流通過孔を連設し、切削工具の長手方向の中途部位もしくは先端部位における一箇所又は複数箇所の切削工具の外周部もしくは溝部において、長手方向に対し直交する方向及び／又は斜交する方向に向かう空気流の噴出口を設定することによって、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置、
（４）チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置であって、工具ホルダーの側面周壁に、切削工具の長手方向側面近傍に沿って流動する空気流の送風を可能とする１個又は複数個の回転翼を設置することによって、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置、
からなる。 In order to solve the above problems, the configuration of the present invention is as follows.
(1) A metal powder processing apparatus for sequentially laminating metal powders on a table in a chamber, and melting by laser beam or electron beam irradiation, followed by molding by a cutting tool, and transmitting rotation to the cutting tool. and the site of the center of rotation of the rear end of the spindle which sets the air flow passage holes between the site deviated from the rotation center of the tip, at the distal end surface of the spindle, have suited to longitudinal sides of the cutting tool, In addition, by setting a jet of air flow that collides with the side surface, the metal powder that generates an air flow that can scatter the unshaped powder remaining at the time of melting and the cutting powder that is generated along with the cutting. Processing equipment,
(2) A metal powder processing device that sequentially stacks metal powder on a table in a chamber, and involves melting by laser beam or electron beam irradiation and subsequent molding by a cutting tool, and transmits rotation to the cutting tool. After connecting the air flow passage hole along the central axis of the main spindle and the central axis in the middle of the tool holder from the rear end to the tip, the tip end surface of the tool holder is near the connection site with the cutting tool. From the above, by setting a jet of air flow that flows along the side surface in the longitudinal direction of the cutting tool, the air flow that can disperse the unshaped powder remaining at the time of melting and the cutting powder generated with the cutting Metal powder processing equipment,
(3) A metal powder processing apparatus that sequentially stacks metal powder on a table in a chamber, and involves melting by irradiation with a laser beam or an electron beam and subsequent molding by a cutting tool, and transmits rotation to the cutting tool. An air flow passage hole is continuously provided along the central axis of the main spindle, the tool holder, and the longitudinal central axis of the cutting tool, and one or a plurality of cutting tools at the midway or tip part in the longitudinal direction of the cutting tool are provided. In the outer peripheral part or the groove part, by setting a jet of air flow directed in the direction orthogonal to the longitudinal direction and / or the oblique direction, the unshaped powder remaining at the time of melting and the cutting generated with the cutting Metal powder processing equipment that generates air flow that can disperse powder,
(4) A metal powder processing apparatus in which metal powder is sequentially laminated on a table in a chamber, and melted by irradiation with a laser beam or an electron beam, followed by molding by a cutting tool, and is formed on a side wall of a tool holder. Generated by the unmolded powder remaining at the time of melting and the cutting by installing one or a plurality of rotor blades that allow airflow to flow along the vicinity of the longitudinal side surface of the cutting tool A metal powder processing device that generates an air flow capable of scattering cutting powder
Consists of.

前記基本構成に基づく本発明においては、金属粉末加工装置自体によって発生する空気流によって未造形粉末及び切削粉末を切削工具の長手方向側面及びその近傍から飛散させ、ひいては、切削工具の寿命を長期化させると共に、切削加工表面の品質を向上させる一方、切削工具の円滑な回転を確保することによって、加工時間の短縮をも実現することができる。 In the present invention based on the above basic configuration, the air flow generated by the metal powder processing apparatus itself causes unshaped powder and cutting powder to scatter from the longitudinal side surface of the cutting tool and the vicinity thereof, thereby extending the life of the cutting tool. In addition, while improving the quality of the cutting surface, the processing time can be shortened by ensuring smooth rotation of the cutting tool.

主軸に空気流通過孔を設けている構成（１）を示す側断面図である。It is a sectional side view which shows the structure (1) which has provided the airflow passage hole in the main axis | shaft. 主軸及び工具ホルダーに空気流通過孔を設けている（２）を示す側断面図である。It is a sectional side view which shows (2) which has provided the airflow passage hole in the main shaft and the tool holder. 主軸、工具ホルダー及び切削工具に空気流通過孔を設けている（３）を示す側断面図である。It is a sectional side view which shows (3) which has provided the airflow passage hole in the main shaft, the tool holder, and the cutting tool. 工具ホルダーの側面側壁に回転翼を設けている構成（４）を示す側面図である。 It is a side view which shows the structure (4) which has provided the rotary blade in the side wall of the tool holder . 空気流の発生に関する基本原理を示す側面図である。It is a side view which shows the basic principle regarding generation | occurrence | production of an air flow .

本発明は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置を対象としている。   The present invention is directed to a metal powder processing apparatus in which metal powder is sequentially laminated on a table in a chamber, and melted by irradiation with a laser beam or an electron beam, followed by forming with a cutting tool following the melting.

図５は、空気流５の発生に関する基本原理を開示しており、切削工具３の先端側に向けて、工具ホルダー２の側から未造形粉末及び切削粉末６を飛散させるための空気流５を発生させている切削加工の状態を示している。 FIG. 5 discloses a basic principle relating to the generation of the air flow 5, and the air flow 5 for scattering the unshaped powder and the cutting powder 6 from the tool holder 2 side toward the tip side of the cutting tool 3. The state of the cutting process is shown.

上記空気流５による風圧は、切削工具３の切削作動に際して発生し、かつ切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させることが可能である程度の強さであることを必要不可欠としている。   The wind pressure generated by the air flow 5 is a certain level of strength that can be generated by the cutting operation of the cutting tool 3 and the unshaped powder and the cutting powder 6 flowing in the vicinity of the cutting tool 3 can be scattered. Is essential.

流動している未造形粉末及び切削粉末６を空気流５によって飛散させた場合には、回転状態にある切削工具３の主軸１に未造形粉末及び切削粉末６が残存する確率を激減させることが可能となり、刃先の間の隙間に未造形粉末及び切削粉末６が充満することによる切削工具３の寿命の短縮、更には損傷を防止することが可能となり、更には従来技術の場合のような加工面の品質の劣化を避けることができる。   When the flowing unshaped powder and the cutting powder 6 are scattered by the air flow 5, the probability that the unshaped powder and the cutting powder 6 remain on the spindle 1 of the cutting tool 3 in a rotating state may be drastically reduced. This makes it possible to shorten the life of the cutting tool 3 by filling the gap between the cutting edges with the unshaped powder and the cutting powder 6, and to prevent damage. Further, as in the case of the prior art Degradation of surface quality can be avoided.

図１は、主軸１の後端の回転中心の部位と、先端の回転中心から外れた部位との間に空気流通過孔７を設定し、主軸１の先端面において、切削工具３の長手方向側面に向かい、かつ当該側面に衝突する空気流５の噴出口７０を設定している構成（１）を示している。 In FIG. 1 , an air flow passage hole 7 is set between a rotation center portion of the rear end of the main shaft 1 and a portion deviated from the rotation center of the front end. suited to side, and shows the configuration (1) has set spout 70 of the air flow 5 collides to the side.

構成（１）の場合には、主軸１の先端面から切削工具３の長手方向側面に空気流５を噴出することによって、効率的に切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。 In the case of the configuration (1), the unshaped powder and the cutting fluid efficiently flowing in the vicinity of the cutting tool 3 by ejecting the air flow 5 from the front end surface of the main shaft 1 to the longitudinal side surface of the cutting tool 3. The powder 6 can be scattered and adhesion to the cutting tool 3 can be prevented.

図１においては、空気流噴出口７０を１箇所設定しているが、当該噴出口７０については、複数箇所に設定することができる。 In FIG. 1 , one air flow outlet 70 is set, but the outlet 70 can be set at a plurality of places.

図２は、主軸１の中心軸及び工具ホルダー２の後端から先端に至るまでの中途部位における中心軸に沿って空気流通過孔７を連設したうえで、工具ホルダー２の先端面において、切削工具３との接続部位近傍から、切削工具３の長手方向側面に沿って流動する空気流５の噴出口７０を設定している構成（２）を示す。 FIG. 2 shows an example in which the air flow passage hole 7 is continuously provided along the central axis of the main shaft 1 and the central axis in the middle of the tool holder 2 from the rear end to the front end. The structure (2) which has set the jet outlet 70 of the airflow 5 which flows along the longitudinal direction side surface of the cutting tool 3 from the connection site | part vicinity with the cutting tool 3 is shown.

構成（２）の場合には、切削工具３の長手方向周壁及びその近傍における噴流状態の空気流５によって、切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。 In the case of the configuration (2), the unshaped powder and the cutting powder 6 that are flowing in the vicinity of the cutting tool 3 are scattered by the air flow 5 in the vicinity of the longitudinal circumferential wall of the cutting tool 3 and in the vicinity thereof, and the cutting is performed. Adhesion to the tool 3 can be prevented.

図３は、主軸１の中心軸、工具ホルダー２、及び切削工具３の長手方向中心軸に沿って空気流通過孔７を連設し、切削工具３の長手方向の中途部位もしくは先端部位における一箇所又は複数箇所の切削工具３の外周部もしくは溝部において、長手方向に対し直交する方向及び／又は斜交する方向に向かう空気流５の噴出口７０を設定している構成（３）を示す。 FIG. 3 shows an air flow passage hole 7 continuously provided along the central axis of the main shaft 1, the tool holder 2, and the longitudinal central axis of the cutting tool 3. The structure (3) which has set the jet outlet 70 of the airflow 5 which goes to the direction orthogonal to a longitudinal direction and / or the direction which crosses in the outer peripheral part or groove part of the cutting tool 3 of a location or several places is shown.

構成（３）の場合には、直交する方向と斜交する方向にそれぞれ向かう噴出口７０を１個設けた場合を示しているが、このような噴出口７０の設定によって、空気流５は切削工具３の長手方向近傍に流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。 In the case of the configuration (3) , a case is shown in which one jet port 70 is provided that faces each direction orthogonal to the orthogonal direction. However, the air flow 5 is cut by such setting of the jet port 70. The unshaped powder and the cutting powder 6 flowing in the vicinity of the longitudinal direction of the tool 3 can be scattered to prevent the tool 3 from adhering to the cutting tool 3.

図４は、工具ホルダー２の側面周壁に、切削工具３の長手方向側面近傍に沿って流動する空気流５の送風を可能とし、かつ回転方向に沿って傾斜角度が順次大きい状態である１個又は複数個の回転翼２１を設置している構成（４）を示す。 FIG. 4 shows a state 1 in which the air flow 5 flowing along the vicinity of the side surface in the longitudinal direction of the cutting tool 3 can be blown on the side wall of the tool holder 2 and the inclination angle is sequentially increased along the rotation direction. A configuration (4) in which one or a plurality of rotor blades 21 are installed is shown.

構成（４）の場合には、工具ホルダー２の側面周壁に回転翼（フィン）２１を取り付けるという極めて簡単な構成によって、切削工具３に付着しようとする未造形粉末及び切削粉末６の飛散を可能としている。 In the case of the configuration (4), the unshaped powder and the cutting powder 6 that are to adhere to the cutting tool 3 can be scattered by a very simple configuration in which the rotary blades (fins) 21 are attached to the side wall of the tool holder 2. It is said.

回転翼（フィン）２１は、図４に示すように、回転方向に沿って傾斜角度を順次大きい状態としているが、工具ホルダー２の周壁に沿って複数枚設置することが好ましく、しかも回転方向に対する回転翼（フィン）２１の平均角度が約４５度である場合に、切削工具３側に対し有効な空気流５の発生が可能であることを観察することができる。 Rotor blades (fins) 21, as shown in FIG. 4, although the sequence has a size condition the inclination angle in the rotational direction, it is preferable to install a plurality along the peripheral wall of the tool holder 2, moreover the direction of rotation can be average angle of the rotor blades (fins) 21 that pairs when it is about 45 degrees, to observe that it is possible to generate a valid air flow 5 to the cutting tool 3 side.

本発明は、前記溶融時に残存した未造形粉末及び前記切削に伴って発生する切削粉末を除去することによって、従来技術の問題点を克服しており、切削工具を使用する金属粉末加工装置の全分野において利用することができる。   The present invention overcomes the problems of the prior art by removing the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting, and the entire metal powder processing apparatus using a cutting tool. Can be used in the field.

１ 主軸
２ 工具ホルダー
３ 切削工具
４ 造形対象物
５ 空気流
６ 未造形粉末及び切削粉末
７ 空気流通過孔
７０ 噴出口 DESCRIPTION OF SYMBOLS 1 Main axis | shaft 2 Tool holder 3 Cutting tool 4 Modeling object 5 Air flow 6 Unshaped powder and cutting powder 7 Air flow passage hole 70 Spout

本発明は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置に関するものである。   The present invention relates to a metal powder processing apparatus in which metal powders are sequentially laminated on a table in a chamber, and are melted by irradiation with a laser beam or an electron beam, and are formed by a cutting tool subsequent to the melting.

上記照射による溶融段階には、未造形粉末が造形物付近に残存し、かつ上記切削加工段階には、当該切削によって発生する粉末状の切削屑が造形物付近に残存する。   In the melting stage by the irradiation, unshaped powder remains in the vicinity of the modeled object, and in the cutting process, powdered cutting waste generated by the cutting remains in the vicinity of the modeled object.

未造形粉末及び切削粉末が残存した状態にて切削加工を継続した場合には、切削工具の刃先に未造形粉末及び切削粉末が残存することによって、切削工具の寿命が極端に短縮するだけでなく、切削工具の損傷が生ずる場合さえ発生している。   If cutting is continued with the unshaped powder and cutting powder remaining, not only will the unshaped powder and cutting powder remain on the cutting edge of the cutting tool, but the life of the cutting tool will be shortened extremely. Even when cutting tool damage occurs.

のみならず、未造形粉末及び切削粉末を巻き込んだ状態による切削加工の場合には、切削加工面に影響を及ぼし、円滑な表面を得られないことを原因として、加工面の品質も劣化することさえ生じていた。   In addition, in the case of cutting with a state in which unshaped powder and cutting powder are involved, the cutting surface will be affected, and the quality of the processing surface will deteriorate due to the inability to obtain a smooth surface. Even it was happening.

このような状況に対処するため、特許文献１においては、切削加工用の工具とは別に、未造形粉末及び切削粉末除去用の工具をも作動させることによって、未造形粉末及び切削粉末の除去を行っている。   In order to cope with such a situation, in Patent Document 1, in addition to the cutting tool, the removal of the unshaped powder and the cutting powder is performed by operating the tool for removing the unshaped powder and the cutting powder. Is going.

しかしながら、このような方法では、別途未造形粉末及び切削粉末除去用の工具の設置を必要とする点において、装置の構成、更には駆動制御が複雑化することを避けることができないだけでなく、加工工程の複雑化をも招くことになる。   However, in such a method, it is not only possible to avoid the complexity of the configuration of the apparatus and further the drive control in that it requires the installation of a tool for removing unshaped powder and cutting powder separately, This also complicates the machining process.

特許文献２においては、未造形粉末及び切削粉末（切削屑）を空気流の吸引によって、未造形粉末及び切削粉末をパイプ１７６３を介して移動させ、吸引装置１７６４側に移動させる構成を開示している。   Patent Document 2 discloses a configuration in which an unshaped powder and a cutting powder (cutting waste) are moved through a pipe 1763 and moved toward the suction device 1764 by suction of an air flow. Yes.

しかしながら、上記構成の場合には、上記溶融時に残存した未造形粉末及び上記切削に伴って発生した切削粉末の事後処理として、空気流を採用しているに過ぎず、切削工具の刃先に残存する未造形粉末及び切削粉末を飛散させる構成まで開示している訳ではない。   However, in the case of the above configuration, as an after-treatment of the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting, only an air flow is employed and it remains at the cutting edge of the cutting tool. It does not necessarily disclose a configuration in which the unshaped powder and the cutting powder are scattered.

現に、特許文献２においては、切削工具の刃先における未造形粉末及び切削粉末の残存による弊害について、全く論じていない。   In fact, Patent Document 2 does not discuss any adverse effects caused by the remaining of the unshaped powder and the cutting powder at the cutting edge of the cutting tool.

このような特許文献１及び同２に開示されている公知技術からも明らかなように、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を切削工具の刃先から飛散させる構成は、これまで提唱されていない。   As is clear from the known techniques disclosed in Patent Documents 1 and 2 above, the unshaped powder remaining at the time of melting and the cutting powder generated by the cutting are scattered from the cutting edge of the cutting tool. Has not been proposed so far.

特開２０１０−２８０１７３号公報JP 2010-280173 A 特開平１１−２７７３６１号公報Japanese Patent Laid-Open No. 11-277361

本発明は、レーザービーム又は電子線の照射による溶融時に残存した未造形粉末及び切削成形時に発生した切削粉末が切削工具に悪影響を及ぼすこと防止し得る金属粉末加工装置の構成を提供することを課題としている。   It is an object of the present invention to provide a metal powder processing apparatus that can prevent unshaped powder remaining upon melting by laser beam or electron beam irradiation and cutting powder generated during cutting forming from adversely affecting the cutting tool. It is said.

前記課題を解決するため、本発明の構成は、
（１）チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置であって、切削工具に回転を伝達する主軸の後端の回転中心の部位と、先端の回転中心から外れた部位との間に空気流通過孔を設定し、前記主軸の先端面において、切削工具の長手方向側面に向かい、かつ当該側面に衝突する空気流を斜方向に噴出する噴出口を一箇所又は複数箇所設定することによって、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置、
（２）チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置であって、切削工具に回転を伝達する主軸の中心軸、工具ホルダー、及び切削工具の長手方向中心軸に沿って空気流通過孔を連設し、切削工具の長手方向の中途部位及び先端部位における複数箇所の切削工具の外周部もしくは溝部において、長手方向に対し直交する方向及び／又は斜交する方向に向かう空気流の噴出口を設定することによって、上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置、
からなる。 In order to solve the above problems, the configuration of the present invention is as follows.
(1) A metal powder processing apparatus for sequentially laminating metal powders on a table in a chamber, and melting by laser beam or electron beam irradiation, followed by molding by a cutting tool, and transmitting rotation to the cutting tool. An air flow passage hole is set between a portion of the rotation center at the rear end of the main shaft and a portion deviated from the rotation center of the tip, toward the longitudinal side surface of the cutting tool at the tip surface of the main shaft, and Air capable of scattering the unshaped powder remaining at the time of melting and the cutting powder generated with the cutting by setting one or a plurality of outlets for jetting an air flow that collides with the side surface in an oblique direction. Metal powder processing equipment generating flow,
(2) A metal powder processing device that sequentially stacks metal powder on a table in a chamber, and involves melting by laser beam or electron beam irradiation and subsequent molding by a cutting tool, and transmits rotation to the cutting tool. Air flow passage holes are continuously provided along the central axis of the main spindle, the tool holder, and the longitudinal central axis of the cutting tool, and the outer peripheral portion of the cutting tool at a plurality of locations in the midway portion and the tip portion in the longitudinal direction of the cutting tool or In the groove part, by setting a jet of air flow directed in a direction orthogonal to the longitudinal direction and / or in an oblique direction, the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting are scattered. Metal powder processing equipment generating air flow, which can be
Consists of.

前記基本構成に基づく本発明においては、金属粉末加工装置自体によって発生する空気流によって未造形粉末及び切削粉末を切削工具の長手方向側面及びその近傍から飛散させ、ひいては、切削工具の寿命を長期化させると共に、切削加工表面の品質を向上させる一方、切削工具の円滑な回転を確保することによって、加工時間の短縮をも実現することができる。   In the present invention based on the above basic configuration, the air flow generated by the metal powder processing apparatus itself causes unshaped powder and cutting powder to scatter from the longitudinal side surface of the cutting tool and the vicinity thereof, thereby extending the life of the cutting tool. In addition, while improving the quality of the cutting surface, the processing time can be shortened by ensuring smooth rotation of the cutting tool.

主軸に空気流通過孔を設けている構成（１）を示す側断面図である。It is a sectional side view which shows the structure (1) which has provided the airflow passage hole in the main axis | shaft. 主軸、工具ホルダー及び切削工具に空気流通過孔を設けている構成（２）を示す側断面図である。It is a sectional side view which shows the structure (2) which has provided the airflow passage hole in the main shaft, the tool holder, and the cutting tool . 空気流の発生に関する基本原理を示す側面図である。It is a side view which shows the basic principle regarding generation | occurrence | production of an air flow.

本発明は、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置を対象としている。   The present invention is directed to a metal powder processing apparatus in which metal powder is sequentially laminated on a table in a chamber, and melted by irradiation with a laser beam or an electron beam, followed by forming with a cutting tool following the melting.

図３は、空気流５の発生に関する基本原理を開示しており、切削工具３の先端側に向けて、工具ホルダー２の側から未造形粉末及び切削粉末６を飛散させるための空気流５を発生させている切削加工の状態を示している。 FIG. 3 discloses the basic principle relating to the generation of the air flow 5, and the air flow 5 for scattering the unshaped powder and the cutting powder 6 from the tool holder 2 side toward the tip side of the cutting tool 3. The state of the cutting process is shown.

上記空気流５による風圧は、切削工具３の切削作動に際して発生し、かつ切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させることが可能である程度の強さであることを必要不可欠としている。   The wind pressure generated by the air flow 5 is a certain level of strength that can be generated by the cutting operation of the cutting tool 3 and the unshaped powder and the cutting powder 6 flowing in the vicinity of the cutting tool 3 can be scattered. Is essential.

流動している未造形粉末及び切削粉末６を空気流５によって飛散させた場合には、回転状態にある切削工具３の主軸１に未造形粉末及び切削粉末６が残存する確率を激減させることが可能となり、刃先の間の隙間に未造形粉末及び切削粉末６が充満することによる切削工具３の寿命の短縮、更には損傷を防止することが可能となり、更には従来技術の場合のような加工面の品質の劣化を避けることができる。   When the flowing unshaped powder and the cutting powder 6 are scattered by the air flow 5, the probability that the unshaped powder and the cutting powder 6 remain on the spindle 1 of the cutting tool 3 in a rotating state may be drastically reduced. This makes it possible to shorten the life of the cutting tool 3 by filling the gap between the cutting edges with the unshaped powder and the cutting powder 6, and to prevent damage. Further, as in the case of the prior art Degradation of surface quality can be avoided.

図１は、主軸１の後端の回転中心の部位と、先端の回転中心から外れた部位との間に空気流通過孔７を設定し、主軸１の先端面において、切削工具３の長手方向側面に向かい、かつ当該側面に衝突する空気流５を斜方向に噴出する噴出口７０を一箇所又は複数箇所設定している構成（１）を示している。 In FIG. 1, an air flow passage hole 7 is set between a rotation center portion of the rear end of the main shaft 1 and a portion deviated from the rotation center of the front end, and the longitudinal direction of the cutting tool 3 is set on the front end surface of the main shaft 1. A configuration (1) is shown in which one or a plurality of jet outlets 70 are set to face the side surface and jet the air flow 5 colliding with the side surface in an oblique direction .

構成（１）の場合には、主軸１の先端面から切削工具３の長手方向側面に空気流５を噴出することによって、効率的に切削工具３の近傍を流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。   In the case of the configuration (1), the unshaped powder and the cutting fluid efficiently flowing in the vicinity of the cutting tool 3 by ejecting the air flow 5 from the front end surface of the main shaft 1 to the longitudinal side surface of the cutting tool 3. The powder 6 can be scattered and adhesion to the cutting tool 3 can be prevented.

図１においては、空気流噴出口７０を１箇所設定しているが、当該噴出口７０については、複数箇所に設定することができる。   In FIG. 1, one air flow outlet 70 is set, but the outlet 70 can be set at a plurality of places.

図２は、主軸１の中心軸、工具ホルダー２、及び切削工具３の長手方向中心軸に沿って空気流通過孔７を連設し、切削工具３の長手方向の中途部位もしくは先端部位における一箇所又は複数箇所の切削工具３の外周部もしくは溝部において、長手方向に対し直交する方向及び／又は斜交する方向に向かう空気流５の噴出口７０を設定している構成（２）を示す。 FIG. 2 shows an air flow passage hole 7 continuously provided along the central axis of the main shaft 1, the tool holder 2, and the longitudinal central axis of the cutting tool 3. The structure (2) which has set the jet outlet 70 of the airflow 5 which goes to the direction orthogonal to a longitudinal direction and / or the direction which crosses in the outer peripheral part or groove part of the cutting tool 3 of a location or several places is shown.

構成（２）の場合には、直交する方向と斜交する方向にそれぞれ向かう噴出口７０を１個設けた場合を示しているが、このような噴出口７０の設定によって、空気流５は切削工具３の長手方向近傍に流動している未造形粉末及び切削粉末６を飛散させ、切削工具３への付着を防止することができる。 In the case of the configuration (2) , a case is shown in which one jet port 70 is provided, each directed in a direction orthogonal to the orthogonal direction, but the air flow 5 is cut by such setting of the jet port 70. The unshaped powder and the cutting powder 6 flowing in the vicinity of the longitudinal direction of the tool 3 can be scattered to prevent the tool 3 from adhering to the cutting tool 3.

本発明は、前記溶融時に残存した未造形粉末及び前記切削に伴って発生する切削粉末を除去することによって、従来技術の問題点を克服しており、切削工具を使用する金属粉末加工装置の全分野において利用することができる。   The present invention overcomes the problems of the prior art by removing the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting, and the entire metal powder processing apparatus using a cutting tool. Can be used in the field.

１ 主軸
２ 工具ホルダー
３ 切削工具
４ 造形対象物
５ 空気流
６ 未造形粉末及び切削粉末
７ 空気流通過孔
７０ 噴出口 DESCRIPTION OF SYMBOLS 1 Main axis | shaft 2 Tool holder 3 Cutting tool 4 Modeling object 5 Air flow 6 Unshaped powder and cutting powder 7 Air flow passage hole 70 Spout

Claims (5)

回転主軸に対し、チャンバー内のテーブルに金属粉末を順次積層し、かつレーザービーム又は電子線の照射による溶融及び当該溶融に引き続く切削工具による成形を伴う金属粉末加工装置において、切削工具に対し主軸又は工具ホルダーの何れかの側から上記溶融時に残存した未造形粉末及び上記切削に伴って発生する切削粉末を飛散させることができる空気流を発生させている金属粉末加工装置。   In a metal powder processing apparatus, in which metal powder is sequentially laminated on a table in a chamber with respect to a rotating spindle, and melting by irradiation with a laser beam or an electron beam and subsequent molding by a cutting tool, the main spindle or A metal powder processing apparatus that generates an air flow capable of scattering the unshaped powder remaining at the time of melting and the cutting powder generated along with the cutting from either side of the tool holder. 主軸の後端の回転中心の部位と、先端の回転中心から外れた部位との間に空気流通過孔を設定し、主軸の先端面において、切削工具の長手方向側面に向かう空気流の噴出口を設定していることを特徴とする請求項１記載の金属粉末加工装置。   An air flow passage hole is set between the rotation center portion at the rear end of the main shaft and the portion deviated from the rotation center at the front end, and the air flow outlet toward the longitudinal side surface of the cutting tool at the front end surface of the main shaft The metal powder processing apparatus according to claim 1, wherein 主軸の中心軸及び工具ホルダーの後端から先端に至るまでの中途部位における中心軸に沿って空気流通過孔を連設したうえで、工具ホルダーの先端面において、切削工具との接続部位近傍から、切削工具の長手方向に向かう空気流の噴出口を設定していることを特徴とする請求項１記載の金属粉末加工装置。   After connecting the air flow passage hole along the central axis of the main spindle and the middle part of the tool holder from the rear end to the tip, the tip end surface of the tool holder can be seen from the vicinity of the connection part with the cutting tool. The metal powder processing apparatus according to claim 1, wherein an outlet for air flow toward the longitudinal direction of the cutting tool is set. 主軸の中心軸、工具ホルダー、及び切削工具の長手方向中心軸に沿って空気流通過孔を連設し、切削工具の長手方向の中途部位もしくは先端部位における一箇所又は複数箇所の切削工具の外周部もしくは溝部において、長手方向に対し直交する方向及び／又は斜交する方向に向かう空気流の噴出口を設定していることを特徴とする請求項１記載の金属粉末加工装置。   An air flow passage hole is continuously provided along the central axis of the main spindle, the tool holder, and the longitudinal axis of the cutting tool, and the outer periphery of the cutting tool at one or more locations in the middle or tip of the longitudinal direction of the cutting tool. The metal powder processing apparatus according to claim 1, wherein a jet port of an air flow directed in a direction orthogonal to the longitudinal direction and / or an oblique direction is set in the portion or the groove. 工具ホルダーの側面周壁に、切削工具側に空気流の送風を可能とする１個又は複数個の回転翼を設置したことを特徴とする請求項１記載の金属粉末加工装置。   2. The metal powder processing apparatus according to claim 1, wherein one or a plurality of rotary blades capable of blowing an air flow are installed on the side peripheral wall of the tool holder on the cutting tool side.
JP2014077654A 2014-04-04 2014-04-04 Metal powder processing equipment Expired - Fee Related JP5870144B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2014077654A JP5870144B2 (en) 2014-04-04 2014-04-04 Metal powder processing equipment
KR1020140113304A KR101950537B1 (en) 2014-04-04 2014-08-28 Metal powder processing device
EP14183130.5A EP2926924A1 (en) 2014-04-04 2014-09-02 Metal powder processing equipment
CA2863936A CA2863936C (en) 2014-04-04 2014-09-16 Metal powder processing equipment
US14/536,610 US10596654B2 (en) 2014-04-04 2014-11-08 Metal powder processing equipment
CN201510016530.XA CN104972117B (en) 2014-04-04 2015-01-13 Metal powder processing unit (plant)
HK16104148.5A HK1216164B (en) 2014-04-04 2016-04-12 Metal powder processing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014077654A JP5870144B2 (en) 2014-04-04 2014-04-04 Metal powder processing equipment

Publications (2)

Publication Number Publication Date
JP2015199972A true JP2015199972A (en) 2015-11-12
JP5870144B2 JP5870144B2 (en) 2016-02-24

Family

ID=51453664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014077654A Expired - Fee Related JP5870144B2 (en) 2014-04-04 2014-04-04 Metal powder processing equipment

Country Status (6)

Country Link
US (1) US10596654B2 (en)
EP (1) EP2926924A1 (en)
JP (1) JP5870144B2 (en)
KR (1) KR101950537B1 (en)
CN (1) CN104972117B (en)
CA (1) CA2863936C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170297105A1 (en) * 2016-04-18 2017-10-19 Sodick Co., Ltd. Lamination molding apparatus

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2859414C (en) * 2014-04-04 2017-03-14 Matsuura Machinery Corporation Metal powder processing equipment
US20210078241A1 (en) * 2016-08-30 2021-03-18 Densen Cao Machine to build 3 dimensional objects
DE102016216682A1 (en) * 2016-09-02 2018-03-08 Eos Gmbh Electro Optical Systems Method and device for generatively producing a three-dimensional object
CN106513672A (en) * 2016-12-05 2017-03-22 珠海天威飞马打印耗材有限公司 Metal three-dimensional printing device and printing method thereof
CN107052340A (en) * 2017-05-17 2017-08-18 大连理工大学 Equipment and processing method for applying ultrasonic cutting to powder-spreading additive and subtractive material composite manufacturing
CN108000610A (en) * 2017-12-28 2018-05-08 东莞市亿协自动化设备有限公司 Splitting machine for electronic circuit board
US11167375B2 (en) 2018-08-10 2021-11-09 The Research Foundation For The State University Of New York Additive manufacturing processes and additively manufactured products
JP7699439B2 (en) * 2021-01-28 2025-06-27 Ｄｇｓｈａｐｅ株式会社 Spindle and cutting device equipped with same
CN112705650B (en) * 2021-01-28 2022-10-21 刘凤 Can absorb cutting device for building of dust
CN112818282B (en) * 2021-02-01 2023-12-29 中国航空制造技术研究院 A method and system for generating electron beam texturing scanning waveforms

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011792A (en) * 1975-11-07 1977-03-15 Davis Wallace J Rotary tool exhaust hood
US4540055A (en) * 1983-06-10 1985-09-10 Drumco Drill bit assembly having improved operational life
JPH10225814A (en) 1992-06-17 1998-08-25 Makino Milling Mach Co Ltd Cutting method
JP2529866Y2 (en) 1992-08-21 1997-03-19 福岡県 Cutting tools for brittle materials
JPH0627046U (en) * 1992-09-10 1994-04-12 株式会社日研工作所 Fluid supply device for tools
JP2700074B2 (en) 1994-04-27 1998-01-19 株式会社メクト Drill
SE509931C2 (en) * 1996-09-27 1999-03-22 Seco Tools Ab Swivel mill, swivel head and method of mounting a removable swivel head on a shaft for a swivel
US6036412A (en) * 1998-03-24 2000-03-14 Dalla; Joseph E. Coolant and chip removal apparatus for milling operations
JPH11277361A (en) 1998-03-30 1999-10-12 Minolta Co Ltd Processing device
US7785046B2 (en) * 2002-07-17 2010-08-31 Advanced Industries Tool coolant application and direction assembly
JP4060860B2 (en) * 2005-01-13 2008-03-12 株式会社アンレット Air blower and mist collector in machine tools
DE102006026967A1 (en) * 2006-06-09 2007-12-13 Rolls-Royce Deutschland Ltd & Co Kg Method for producing a cutting tool
EP2060343B1 (en) * 2006-08-28 2014-11-05 Panasonic Corporation Metal powder for metal photofabrication and method of metal photofabrication using the same
ITTO20060724A1 (en) * 2006-10-09 2008-04-10 Alenia Aeronautica Spa TOOL AND MILLING METHOD, IN PARTICULAR FOR THE MILLING OF COMPOSITE MATERIALS
JP5456379B2 (en) 2009-06-05 2014-03-26 パナソニック株式会社 Manufacturing method of three-dimensional shaped object
JP2011110614A (en) * 2009-11-24 2011-06-09 Kanto Auto Works Ltd Chip removing tool
CN102892538A (en) * 2010-01-29 2013-01-23 柳下福藏 Boring device
DE102010028561A1 (en) * 2010-05-04 2011-11-10 Helmut Diebold Gmbh & Co. Goldring-Werkzeugfabrik tool holder
CN203417570U (en) * 2013-08-08 2014-02-05 河北顺天电极有限公司 Cutting chipping gas-solid separation dust collection treatment system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170297105A1 (en) * 2016-04-18 2017-10-19 Sodick Co., Ltd. Lamination molding apparatus
US11033967B2 (en) 2016-04-18 2021-06-15 Sodick Co., Ltd. Lamination molding apparatus

Also Published As

Publication number Publication date
CN104972117A (en) 2015-10-14
JP5870144B2 (en) 2016-02-24
KR101950537B1 (en) 2019-02-20
US20150283649A1 (en) 2015-10-08
CA2863936C (en) 2018-07-17
EP2926924A1 (en) 2015-10-07
CA2863936A1 (en) 2015-10-04
US10596654B2 (en) 2020-03-24
HK1216164A1 (en) 2016-10-21
CN104972117B (en) 2019-02-19
KR20150115600A (en) 2015-10-14

Similar Documents

Publication Publication Date Title
JP2015199972A (en) Metal powder processing equipment
JP6039543B2 (en) Chip guidance system, cooling channel, cooling channel system, and high performance reamer comprising at least one of these
CN110730699A (en) Cutting tool with coolant deflecting structure
CN104903047A (en) Processing machine and method for processing the ends of pipes
JP5272249B2 (en) Metal saw for curve cutting, its processing method and processing equipment
CN203253988U (en) Novel plane milling cutter
JP6178753B2 (en) Hobbing machine
JP6365245B2 (en) Thermoplastic resin cutting equipment
CN105014383B (en) A kind of laser sandblasting system of processing and method
CN112792391B (en) Honeycomb material machining method based on inner-cooling-groove milling cutter
JP6419616B2 (en) Cleaning method of spindle end face in machining center
JP2016159372A (en) Spherical cutting method
CN104511658A (en) Saw blade
JP2016043467A (en) Method for manufacturing sintered part having through hole, sintered part and drilling tool
JP2010082777A (en) Drill
HK1216164B (en) Metal powder processing equipment
CN114378462A (en) Slag removal blade with elliptical tooth profile
CN209902382U (en) Saw blade cooling mechanism of circular sawing machine
JP6515792B2 (en) Rotary tools and machines
CN105522287B (en) Laser processing method of slit
JP6307084B2 (en) Milling tools and methods of use
CN104822478B (en) Milling cutter and how to use it
JP6363483B2 (en) Hobbing machine
JP3216290U (en) Cutting equipment
US20040179938A1 (en) Rotor for spraying coolant onto a cutter

Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20141113

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160108

R150 Certificate of patent or registration of utility model

Ref document number: 5870144

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees